javascript - jQuery global regex for replace with variable - Stack Overflow

admin管理员组

文章数量:1327321

in the following example I am trying to replace all instances of the newname variable with -, however newname in my example is handled as text, rather than a as variable.

var newname = 'test';

var lastname = $(this).attr('name').replace(/newname/g, "-");

Can anyone help out?

in the following example I am trying to replace all instances of the newname variable with -, however newname in my example is handled as text, rather than a as variable.

var newname = 'test';

var lastname = $(this).attr('name').replace(/newname/g, "-");

Can anyone help out?

• javascript
• jquery
• regex

Share Improve this question Follow asked Oct 25, 2011 at 16:12 baikbaik 1,01322 gold badges1515 silver badges2121 bronze badges

Add a ment  | 

1 Answer 1

Sorted by: Reset to default 9

var newname = 'test';
var regex = new RegExp(newname,"g")
var lastname = $(this).attr('name').replace(regex, "-");

More info:

http://smyck/2006/08/11/javascript-dynamic-regular-expresions/ http://fyneworks.blogspot./2007/04/dynamic-regular-expressions-in.html

本文标签： javascriptjQuery global regex for replace with variableStack Overflow